[Bug 261690] NFSv4 mount on Linux client hangs during complex access patterns (gcc bootstrapping on client)

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 13 Feb 2022 10:35:55 UTC

--- Comment #3 from Joshua Kinard <kumba@gentoo.org> ---
(In reply to Björn Fischer from comment #1)

You might want to see if Ubuntu has pulled in the latest updates from the Linux
5.4.y stable/longterm series.  It looks like a number of race conditions in the
NFS4 and packet processing layers were caught by syzkaller runs and fixed in
the last few 5.4 LTS updates.  My scenario, running 5.4.179, the oopses I
mentioned have seemingly left as mysteriously as they arrived, so my thinking
is the flaw was on the Linux-side and not on the FreeBSD-side.  It's possible
those fixes may have resolved your case as well.

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